39202376955836561f6360c8ce04757f41223e44901c828b44fc55e9e4f9ab8d

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/04/2024, 15:52

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General

Target

2024-04-30_3c1bc4402c8432252824fe40717e2fc3_cryptolocker.exe
Size

64KB
MD5

3c1bc4402c8432252824fe40717e2fc3
SHA1

f93ce2e564c4ba10c9d2099180a213c853a364f0
SHA256

39202376955836561f6360c8ce04757f41223e44901c828b44fc55e9e4f9ab8d
SHA512

03662be95a3e21975494b474a4361d82b3de2d3140d6ddc308f4aaf459fe76c4f7122399a7e603273952b218ca2a9f5b5f91a1afa9323543c40371a41d05f346
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xblzoR:X6a+SOtEvwDpjBrOA

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015d79-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015d79-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2480	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2008	2024-04-30_3c1bc4402c8432252824fe40717e2fc3_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2480	2008	2024-04-30_3c1bc4402c8432252824fe40717e2fc3_cryptolocker.exe	28
PID 2008 wrote to memory of 2480	2008	2024-04-30_3c1bc4402c8432252824fe40717e2fc3_cryptolocker.exe	28
PID 2008 wrote to memory of 2480	2008	2024-04-30_3c1bc4402c8432252824fe40717e2fc3_cryptolocker.exe	28
PID 2008 wrote to memory of 2480	2008	2024-04-30_3c1bc4402c8432252824fe40717e2fc3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_3c1bc4402c8432252824fe40717e2fc3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_3c1bc4402c8432252824fe40717e2fc3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
65KB

MD5
fb81b843f16f9ea4ba0db79e0504656f

SHA1
2320728f389c4e0cb625f6e16e9bd0e6aa2228e0

SHA256
1585cb0641873dfbb1cf56a431e88dd6be68750f7a3fabe94b2740314739edde

SHA512
41e400c2f1ee44b108b69efb1480c0608f32e4fadbd703b72e3d76bcdfe9ce20e05580f76b58fe2f6e971fbdc74321cfbd78fcd34faa9dcb14f9a8c86760147b

Download Submit
memory/2008-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2008-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2008-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download